Support multiple metric arguments per stage.
add ExtractMainComponent interface
Prevent warning issued from wrong version of Dipy constrained by tensors.py
added handling of output in case where FEAT creates an ica directory rather than a feat directory
Merge pull request #614 from BRAINSia/FixAntsRegistrationRegression

BUG: initial_moving_transform_com needs default
Merge pull request #579 from FredLoney/ants_multiple_metrics_per_stage

Support multiple metric arguments per stage.
ref: use info in fsf file to get output directory
Merge pull request #621 from poldrack/master

added handling of output in case where FEAT creates an ica directory rat...
doc: updated to allow for proper formatting
Merge pull request #607 from mick-d/master

Prevent erroneous warning generated by tensors.py in interface Dipy
Base class for FuzzyOverlap misc tool

Some details are still to be fixed
Working version
Created slurm launcher for workflow plugins

This hasn't been well tested but it should work without too many issues. Of particular note are the environment variables that we're referencing. Those commands have the capability to fail with no error and need to be watched closely.
Adding code initial code for new data grabber
PEP8
Addding tests for new data grabber
Addding tests for new data grabber
Fix typo
Improving test a bit
Added inputs&outputs descriptions

PR #622